With the Nano Big Muff Pi Electro-Harmonix has taken the classic Big Muff Pi circuit and simply shrunk it without changing its rich, creamy, violin-like sustain and sound.

The Electro-Harmonix Nano Big Muff Pi works and sounds identical in every way to the classic NYC Big Muff Pi... they simply shrunk it without changing its rich sustain and legendary sound. For over 44 years, the Big Muff Pi has helped define the sound of rock guitar. Revered by contemporary guitarists and rock legends alike, everyone wants a piece of the Pi. Now you can have it in a compact nano, pedal board friendly design. Get a piece of the pi for yourself!